CN103812722A - Detection method for network system and network system - Google Patents
Detection method for network system and network system Download PDFInfo
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- CN103812722A CN103812722A CN201210526542.3A CN201210526542A CN103812722A CN 103812722 A CN103812722 A CN 103812722A CN 201210526542 A CN201210526542 A CN 201210526542A CN 103812722 A CN103812722 A CN 103812722A
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- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 238000004891 communication Methods 0.000 claims abstract description 37
- 238000012545 processing Methods 0.000 claims description 13
- 238000012360 testing method Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000007726 management method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 206010000117 Abnormal behaviour Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
- H04L61/5014—Internet protocol [IP] addresses using dynamic host configuration protocol [DHCP] or bootstrap protocol [BOOTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0806—Configuration setting for initial configuration or provisioning, e.g. plug-and-play
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0876—Aspects of the degree of configuration automation
- H04L41/0886—Fully automatic configuration
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Small-Scale Networks (AREA)
- Data Mining & Analysis (AREA)
Abstract
A detection method for a network system and the network system are provided. The detection method is used for detecting a connectable state of a server related to the network system at a host, and comprises the following steps: generating a search packet according to a media access control address of a network card of the server, and sending the search packet to the network system; and intercepting the server network communication protocol address in at least one providing packet and storing the server network communication protocol address in a detection result file when the at least one providing packet corresponding to the search packet is received. The invention can reduce the occurrence probability of the network communication protocol address provided by the non-specified server.
Description
Technical field
The present invention relates to a kind of detection method for network system and network system, espespecially a kind of for a network system, utilize DynamicHost set agreement (Dynamic Host Configuration Protocol, DHCP) information detect be relevant to this network system server can connection status method and network system.
Background technology
Along with the evolution of ICT (information and communication technology) and the online increase in demand of client, the equipment of client derives to mobile communication, hand-hold electronic device etc. from early stage main frame, and every equipment that needs service on net all may need to carry out network settings.Therefore, network system comprises increasing server and carries out network management work so that user to be provided network service.But, along with the maturation of the network communications technology and the universalness of application, many soft hardware equipment, for example: " network connects shared " function of network communication protocol shared device, radio access device, microsoft operation system etc., all can be used as server.In this case, likely have influence on the normal operation of LAN because of the private server setting up.
For instance, in the time that user rents network communication protocol address to company's network, if it obtains the response of the server that individual sets up by automatically obtaining the mode of network communication protocol address, user cannot carry out proper network access on the said firm's network, cause being engaged in that network management worker need to spend more manpower man-hour and the network packet of arranging in pairs or groups (packet) analysis software solves the puzzlement that user cannot surf the Net.That is to say, in a network system, client need be provided services on the Internet and could normally be surfed the Net or access the resource of this network system by the server of specifying.
Moreover, please refer to Fig. 1, Fig. 1 is that well-known server S11 sets up the schematic diagram that network connects.In Fig. 1, if want mat main frame H, high in the clouds operating system is installed in server S 11, server S 11 needs first to main frame H rental service device network communication protocol address ServIP_H, therefore, server S 11 needs first to send search bag DPKT_S11 with broadcast mode and provide bag OPKT_H with wait main frame H response to network system before renting, but the server S 12 that is arranged in equally this network system is received after search bag DPKT_S11 and has first been responded and provide bag OPKT_S12 to server S 11, so that server S 11 takes for and can be connected to this network system at the server network communication protocol address ServIP_S12 that provides bag to provide in OPKT_S12 by server S 12, and then come to connect with server S 12 with confirming bag APKT_S12 by requiring to wrap RPKT_S12.Thus, main frame H cannot successfully set up network with server S 11 and be connected, and cause the installation procedure of this high in the clouds operating system cannot continue to carry out and count out.
Therefore, how to avoid network communication protocol address because renting non-designated server and providing to cause the follow-up relevant operation cannot normal operation, become one of target that industry makes great efforts.
Therefore, need to provide a kind of detection method for network system and network system to solve the problems referred to above.
Summary of the invention
Therefore, the present invention mainly provides detection method and network system, its can utilize DynamicHost set protocol information detect be relevant to network system server can connection status, be present in network system and other servers of network communication protocol address can be provided to detect in advance, and then reduce or avoid the probability of the network communication protocol address that server-assignment provides to non-designated server.
The present invention discloses a kind of detection method for network system, this detection method be used for a Host Detection be relevant to this network system a server one can connection status, this detection method comprises: according to a Media Access Control address of a network interface card of this server, produce a search bag, and be sent to this network system; And receiving while providing bag corresponding to this search bag at least one, intercept this and at least onely provide the address of the server network communication protocol in bag, and be stored in a testing result file.
The present invention also discloses a kind of network system, and this network system comprises: multiple servers, and each server comprises a network interface card; And a main frame, this main frame is used for detecting one of the server that is relevant in the plurality of server can connection status, and this main frame comprises: a central processing unit; An and storage device, this storage device is coupled to this central processing unit, be used for storing a program code, this program code is used to refer to this central processing unit and carries out a detection method, wherein this detection method comprises: according to a Media Access Control address of a network interface card of the server in the plurality of server, produce a search bag, and be sent to this network system; And receiving while providing bag corresponding to this search bag at least one, intercept this address of server network communication protocol in bag is provided, and be stored in a testing result file.
The present invention utilizes and in network system, transmits and receive DynamicHost setting protocol information, to detect in advance the server that is present in network system and network communication protocol address can be provided, and then reduce the Probability that is assigned to the network communication protocol address that non-designated server provides.
Accompanying drawing explanation
Fig. 1 is that a server of known technology is set up the schematic diagram that network connects.
Fig. 2 is the schematic diagram of a network system of the embodiment of the present invention.
Fig. 3 is the schematic diagram of a flow process of the embodiment of the present invention.
Fig. 4 is the schematic diagram of a flow process of the embodiment of the present invention.
Primary clustering symbol description:
H main frame
S11, S12, S21～S2n server
MAC_S21～MAC_S2n Media Access Control address
DPKT_S11, DPKT_S2x search for bag
OPKT_H, OPKT_S12, OPKT_S2m provide bag
RPKT_S12 requires bag
APKT_S12 confirms bag
ServIP_H, ServIP_S12, ServIP_S2m server network communication protocol address
20 network systems
200 main frames
202 central processing units
204 storage devices
206 program codes
30,40 flow processs
300,302,304,306,308,310,400,402, step
404、406、408、410、412、414、416
Embodiment
Please refer to Fig. 2, the schematic diagram of the network system 20 that Fig. 2 is the embodiment of the present invention.Network system 20 can be the information system take wired or wireless network as transmission medium such as cloud network system, corporate local area network, and is not limited to this.Network system 20 is made up of server S 21～S2n and a main frame 200.The quantity of server S 21～S2n is not limited to particular value, that is n is more than or equal to any positive integer of 1, viewing system and determining, and server S 21～S2n can be blade server, micro server etc., also can be not with server but such as, with the realization of common customer end, mobile computer, personal computer etc.In addition, server S 21～S2n respectively includes a network interface card, and the Media Access Control address of each network interface card is denoted as respectively MAC_S21～MAC_S2n.Main frame 200 can be a stand-alone computer, a server etc., as long as client can be set agreement by DynamicHost and set function of surfing the Net; For the sake of clarity, Fig. 2 only shows a central processing unit 202 and the storage device 204 that main frame 200 comprises, and those of ordinary skill in the art should, according to system requirements, suitably adjust the framework of main frame 200, and be not limited to this.Central processing unit 202 is coupled to storage device 204, and central processing unit 202 can be a microprocessor or Application Specific Integrated Circuit (Application-Specific IntegratedCircuit, ASIC).Storage device 204 is coupled to central processing unit 202, can be any data memory device, is used for storing a program code 206, reads for central processing unit 202.For instance, storage device 204 can be read-only memory (read-only memory, ROM), random access storage device (random-access memory, RAM), compact disc read-only memory (CD-ROMs), tape (magnetic tapes), hard disk (hard disks) or optical data storage device (optical data storage devices) etc., and be not limited to this.Be used to refer to central processing unit 202 as for 206 of program codes and carry out a detection method, this detection method be used for detecting be relevant to server S 21～S2n can connection status, its detection mode will be introduced in detail in the flow process 30 of one embodiment of the invention.
Please continue to refer to Fig. 3, the schematic diagram of the flow process 30 that Fig. 3 is the embodiment of the present invention.Flow process 30 is the detection methods for network system 20, a server S 2x(x=1 who detects in the server S 21～S2n that is relevant to network system 20 in network system 20 for main frame 200, and 2 ... n) can connection status.Flow process 30 comprises following steps:
Step 300: start.
Step 302: produce a search bag DPKT_S2x according to the Media Access Control address MAC_S2x of the network interface card of server S 2x.
Step 304: send search bag DPKT_S2x to network system 20.
Step 306: receive corresponding to one or more of search bag DPKT_S2x bag OPKT_S2m(m=1 is provided, 2 ... n; M ≠ x).
Step 308: the server network communication protocol address ServIP_S2m providing in bag OPKT_S2m is provided, and is stored in a testing result file.
Step 310: finish.
According to flow process 30, OPKT_S2m is wrapped in embodiment of the present invention utilization transmission search bag DPKT_S2x and corresponding the providing of reception, be present in other one or more server S of server network communication protocol address ServIP_S2m 2m can be provided in network system 20 with judgement, and then avoid renting the server network communication protocol address (being the server network communication protocol address ServIP_S2m of server S 2m) that non-designated server provides after server S 2x, and cause normally carrying out the situation of follow-up running (as the installation procedure of high in the clouds operating system).
Specifically, in flow process 30, step 302 produces search bag DPKT_S2x according to the Media Access Control address MAC_S2x of the network interface card of server S 2x, then by step 304, sends search bag DPKT_S2x to network system 20.Then, step 306 receives corresponding to one or more of search bag DPKT_S2x bag OPKT_S2m is provided, then by step 308, intercepts the server network communication protocol address ServIP_S2m providing in bag OPKT_S2m, be stored in again testing result file, and process ends 30.
In brief, embodiments of the invention utilization transmits search bag DPKT_S2x and corresponding providing is provided wraps OPKT_S2m, to judge whether to provide other server S 2m of server network communication protocol address ServIP_S2m.Thus, client is renting before network communication protocol address to learn in advance whether have other non-designated servers that network communication protocol address can be provided, to avoid occurring normally to use the situation of network service.
Should be noted, flow process 30 is embodiments of the invention, and those of ordinary skill in the art should do different variation or modification according to this, and is not limited to this.For instance, in step 302, the acquisition mode of the Media Access Control address MAC_S2x of the network interface card of server S 2x can be according to a configuration and setting file, this configuration and setting file can be used for the operating system installation program of a high in the clouds operating system, also can be arbitrary file, as long as include wish in this file and detect the necessary information (referring to the Media Access Control address of the network interface card of server herein) of relevant server that can connection status.As for, in step 302, the mode that produces search bag DPKT_S2x can be inserted a random number and insert the Media Access Control address MAC_S2x of server S 2x in client's Media Access Control address field of this search bag in the execution identification field of a tradition search bag, to form search bag DPKT_S2x of the present invention.Accordingly, in step 306, provide bag OPKT_S2m(m=1 corresponding to one or more of search bag DPKT_S2x, 2 ... n; Whether execution identification (Transaction ID) and client's Media Access Control address (Client MACAddress) that the judgment mode of m ≠ x) can comprise according to search bag DPKT_S2x equal respectively to provide bag execution identification and client's Media Access Control address that OPKT_S2m comprises; If the two is all identical, represent to provide bag OPKT_S2m corresponding to search bag DPKT_S2x.While can be used for carrying out an operating system installation program as for this testing result file, according to this testing result file with judge server S 2x whether receive should receive one reply bag, and then avoid contingent abnormal behaviour, this is also one embodiment of the invention, those of ordinary skill in the art should do different variations, and is not limited to this.
In addition, for fear of because of network congestion or bag is lost so that erroneous judgement does not provide bag OPKT_S2m corresponding to search bag DPKT_S2x, can after sending search to wrap DPKT_S2x, in the time interval, not receive when bag OPKT_S2m is provided, retransmit search bag DPKT_S2 to network system 20, bag OPKT_S2m is provided if do not receive yet, continues to retransmit to the higher limit of a number of retransmissions.For example, the higher limit of number of retransmissions can be set as 3 times, and each time interval retransmitting is set as respectively 2 seconds, 4 seconds and 8 seconds, but, this setting is only one embodiment of the invention, and those of ordinary skill in the art can do different variations according to the required suitable setting of system, and is not limited to this.
Therefore, by flow process 30, embodiments of the invention utilization transmits search bag and the corresponding bag that provides is provided, with judgement be present in other one or more servers that server network communication protocol address can be provided in network system 20, and then avoid server after rent the server network communication protocol address that non-designated server provides.In addition, in the time not receiving that providing of correspondence wrapped, embodiments of the invention can further start retransmission mechanism, avoid because of network congestion or wrap to lose the bag that provides that there is no correspondence is consequently be provided by accident.
Above-mentioned about flow process 30 and change can further be summarized as a flow process 40, as shown in Figure 4.Flow process 40 comprises following steps:
Step 400: start.
Step 402: according to a configuration and setting file, obtain the Media Access Control address MAC_S2x of the network interface card of server S 2x.
Step 404: produce search bag DPKT_S2x according to Media Access Control address MAC_S2x.
Step 406: send search bag DPKT_S2x to network system 20.
Step 408: within a time interval, judging whether to receive corresponding to one or more of search bag DPKT_S2x provides bag OPKT_S2m(m=1,2 ... n; M ≠ x)? if so, perform step 414; If not, execution step 410.
Step 410: the number of retransmissions that judges search bag DPKT_S2x is less than a preset value? if so, perform step 412; If not, execution step 416.
Step 412: retransmit search bag DPKT_S2x, and get back to step 408.
Step 414: the server network communication protocol address ServIP_S2m providing in bag OPKT_S2m is provided, and is stored in a testing result file.
Step 416: finish.
The detailed description of flow process 40 as previously mentioned, does not repeat them here.
In known technology, client need be provided services on the Internet by the server of specifying could normal resource of accessing a network system.But, but usually there is the server that many individuals set up and have influence on the normal operation of a network system, cause being engaged in that network management worker need to spend more manpower man-hour and the network packet analysis software of arranging in pairs or groups solves the puzzlement that client cannot be surfed the Net.By contrast, the present invention proposes a kind of detection method, make client can learn in advance and whether have other non-designated servers that network communication protocol address can be provided renting before network communication protocol address, cannot normally use the situation of network service to reduce client.In addition, detection method of the present invention also can be used on a server, install before an operating system, learn in advance whether have other non-designated servers that this server one network communication protocol address can be provided, to avoid the subsequent installation program cannot normal operation.
In sum, for fear of cause the follow-up relevant operation cannot normal operation because of the network communication protocol address of renting non-designated server and providing, the present invention utilizes and in network system, transmits and receive DynamicHost setting protocol information, to detect in advance the server that is present in network system and network communication protocol address can be provided, and then reduce the Probability that is assigned to the network communication protocol address that non-designated server provides.
The foregoing is only preferred embodiment of the present invention, every equivalent variations of doing according to the scope of the claims in the present invention book and modification, all should belong to covering scope of the present invention.
Claims (17)
1. for the detection method of network system, this detection method be used for a Host Detection be relevant to this network system a server one can connection status, this detection method comprises:
According to a Media Access Control address of a network interface card of this server, produce a search bag, and be sent to this network system; And
Receiving while providing bag corresponding to this search bag at least one, intercept this and at least onely provide the address of the server network communication protocol in bag, and be stored in a testing result file.
2. detection method as claimed in claim 1, wherein according to this Media Access Control address of this network interface card of this server, the step that produces this search bag is according to a configuration and setting file, obtains this Media Access Control address, and produces this search bag.
3. detection method as claimed in claim 2, wherein this configuration and setting file is for an operating system installation program.
4. detection method as claimed in claim 1, wherein this server can judge whether to receive the reply bag that this server should receive according to this testing result file.
5. detection method as claimed in claim 1, this detection method is also included in to send and in a preset period of time, does not receive that this is at least one when bag is provided after this search bag, retransmits this search bag to this network system with interval between at least for the moment.
6. detection method as claimed in claim 5, wherein the number of retransmissions of this search bag is less than a preset value.
7. detection method as claimed in claim 1, wherein this search bag and this at least one bag that provides all comprise execution identification and client's Media Access Control address.
8. detection method as claimed in claim 7, wherein this execution identification of this search bag and this client's Media Access Control address equal respectively this at least one this execution identification and this client's Media Access Control address that bag is provided.
9. a network system, this network system comprises:
Multiple servers, each server comprises a network interface card; And
One main frame, this main frame be used for detecting be relevant to one of a server in the plurality of server can connection status, this main frame comprises:
One central processing unit; And
One storage device, this storage device is coupled to this central processing unit, is used for storing a program code, and this program code is used to refer to this central processing unit and carries out a detection method, and wherein this detection method comprises:
According to a Media Access Control address of a network interface card of the server in the plurality of server, produce a search bag, and be sent to this network system; And
Receiving while providing bag corresponding to this search bag at least one, intercept this address of server network communication protocol in bag is provided, and be stored in a testing result file.
10. network system as claimed in claim 9, according to this Media Access Control address of this network interface card of this server in the plurality of server, the step that produces this search bag is according to a configuration and setting file, obtains this Media Access Control address, and produces this search bag.
11. network systems as claimed in claim 10, wherein this configuration and setting file is for an operating system installation program.
12. network systems as claimed in claim 9, wherein this server in the plurality of server can judge whether to receive the reply bag that this server should receive according to this testing result file.
13. network systems as claimed in claim 9, this network system is also included in to send and in a preset period of time, does not receive that this is at least one when bag is provided after this search bag, retransmits this search bag to this network system with interval between at least for the moment.
14. network systems as claimed in claim 13, wherein the number of retransmissions of this search bag is less than a preset value.
15. network systems as claimed in claim 9, wherein this search bag and this at least one bag that provides all comprise execution identification and client's Media Access Control address.
16. network systems as claimed in claim 15, wherein this execution identification of this search bag and this client's Media Access Control address equal respectively this at least one this execution identification and this client's Media Access Control address that bag is provided.
17. network systems as claimed in claim 9, wherein this main frame is a server or a stand-alone computer.
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| TW101142438A TWI511513B (en) | 2012-11-14 | 2012-11-14 | Detection method in network system and related apparatus |
| TW101142438 | 2012-11-14 |
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| CN103812722A true CN103812722A (en) | 2014-05-21 |
| CN103812722B CN103812722B (en) | 2017-10-24 |
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| CN104683326A (en) * | 2014-12-30 | 2015-06-03 | 盛科网络（苏州）有限公司 | Method for preventing hostile exhausting of DHCP (dynamic host configuration protocol) server address pool |
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2012
- 2012-11-14 TW TW101142438A patent/TWI511513B/en active
- 2012-12-07 CN CN201210526542.3A patent/CN103812722B/en active Active
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2013
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Also Published As
| Publication number | Publication date |
|---|---|
| US9674319B2 (en) | 2017-06-06 |
| US20140136695A1 (en) | 2014-05-15 |
| TWI511513B (en) | 2015-12-01 |
| CN103812722B (en) | 2017-10-24 |
| TW201419817A (en) | 2014-05-16 |
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